Nanographite impurities within carbon nanotubes are responsible for their stable and sensitive response toward electrochemical oxidation of phenols

Emma J.E. Stuart, Martin Pumera

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

Electrochemists employ carbon nanotube surfaces to achieve highly stable and sensitive electrochemical detection of phenols. There is a large amount of interest in the electrochemical oxidation of phenolic compounds, especially for environmental detection. Herein, we investigate the reasons behind the observed stable and sensitive response on carbon nanotube surfaces. We unambiguously demonstrate that the reported stability and sensitivity exhibited by CNTs is not actually 'inherent' to CNT materials but is instead caused by the nanographite impurities contained within them. These findings will have profound impact on the way electrochemical sensors are designed.

Original languageEnglish
Pages (from-to)5530-5534
Number of pages5
JournalJournal of Physical Chemistry C
Volume115
Issue number13
DOIs
Publication statusPublished - 2011 Apr 7

Fingerprint

Carbon Nanotubes
electrochemical oxidation
Electrochemical oxidation
Phenols
phenols
Carbon nanotubes
carbon nanotubes
Impurities
impurities
Electrochemical sensors
sensitivity
sensors

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Energy(all)
  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films

Cite this

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